A non-opioid, experimental drug called EMA401 has shown promise as a treatment for chronic nerve pain in a new study in mice. It targets receptors on immune cells called macrophages, instead of nerves, and it doesn’t cross the blood-brain barrier, so it eliminates side effects such as addiction.

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A non-opioid, experimental drug called EMA401 has shown promise as a treatment for chronic nerve pain in a new study in mice. It targets receptors on immune cells called macrophages, instead of nerves, and it doesn’t cross the blood-brain barrier, so it eliminates side effects such as addiction.